| // Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file | |
| // for details. All rights reserved. Use of this source code is governed by a | |
| // BSD-style license that can be found in the LICENSE file. | |
| /// Types of variances for type parameters. | |
| /// This needs to be kept in sync with values of `Variance` in `dart:_rti`. | |
| enum Variance { legacyCovariant, covariant, contravariant, invariant } |